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Finding the Third Proportional to 475,611 and 990,588

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Solution

The third proportional to 475,611 and 990,588 is: 2,063,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,611 : 990,588 = 990,588 : x
  2. Step 2: Convert to fraction form
    475,611/990,588 = 990,588/x
  3. Step 3: Cross multiply
    475,611x = 990,588 × 990,588
  4. Step 4: Simplify right side
    475,611x = 981,264,585,744
  5. Step 5: Solve for x
    x = 981,264,585,744/475,611
  6. Step 6: Final answer
    x = 2,063,166.30

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.